43552225 has 12 divisors (see below), whose sum is σ = 56353536. Its totient is φ = 33326480.

The previous prime is 43552193. The next prime is 43552247. The reversal of 43552225 is 52225534.

It is not a de Polignac number, because 43552225 - 2⁵ = 43552193 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43552193 and 43552202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37297 + ... + 38446.

It is an arithmetic number, because the mean of its divisors is an integer number (4696128).

Almost surely, 2^43552225 is an apocalyptic number.

It is an amenable number.

43552225 is a deficient number, since it is larger than the sum of its proper divisors (12801311).

43552225 is a wasteful number, since it uses less digits than its factorization.

43552225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75776 (or 75771 counting only the distinct ones).

The product of its digits is 12000, while the sum is 28.

The square root of 43552225 is about 6599.4109585629. The cubic root of 43552225 is about 351.8331708799.

Adding to 43552225 its reverse (52225534), we get a palindrome (95777759).

The spelling of 43552225 in words is "forty-three million, five hundred fifty-two thousand, two hundred twenty-five".